<template>
    <div>
        <div style="margin: 10px 0">
            <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="name"></el-input>
            <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
            <el-button type="warning" @click="reset">重置</el-button>
        </div>

        <div style="margin: 10px 0">
            <el-button type="primary" @click="handleAdd">新增 <i class="el-icon-circle-plus-outline"></i></el-button>
            <el-popconfirm
                    class="ml-5"
                    confirm-button-text='确定'
                    cancel-button-text='我再想想'
                    icon="el-icon-info"
                    icon-color="red"
                    title="您确定批量删除这些数据吗？"
                    @confirm="delBatch"
            >
                <el-button type="danger" slot="reference">批量删除 <i class="el-icon-remove-outline"></i></el-button>
            </el-popconfirm>
            <!-- <el-upload action="http://localhost:9090/notice/import" :show-file-list="false" accept="xlsx" :on-success="handleExcelImportSuccess" style="display: inline-block">
              <el-button type="primary" class="ml-5">导入 <i class="el-icon-bottom"></i></el-button>
            </el-upload>
            <el-button type="primary" @click="exp" class="ml-5">导出 <i class="el-icon-top"></i></el-button> -->
        </div>

        <el-table :data="tableData" border stripe :header-cell-class-name="'headerBg'"  @selection-change="handleSelectionChange">
            <el-table-column type="selection" width="55"></el-table-column>
            <el-table-column prop="id" label="ID" width="80" sortable></el-table-column>
            <el-table-column prop="name" label="标题"></el-table-column>
            <el-table-column prop="content" label="内容">
            <template v-slot="scope">
                <el-button type="primary" @click="view(scope.row.content)">查看内容</el-button>
            </template>
        </el-table-column>
            <el-table-column prop="time" label="发布时间"></el-table-column>
            <el-table-column prop="user" label="发布人"></el-table-column>
            <el-table-column prop="sort" label="序号"></el-table-column>
            <el-table-column label="图片"><template slot-scope="scope"><el-image style="width: 100px;" :src="scope.row.img" :preview-src-list="[scope.row.img]" v-if="scope.row.img!=''"></el-image></template></el-table-column>

            <el-table-column label="启用">
                <template slot-scope="scope">
                    <el-switch v-model="scope.row.enable" active-color="#13ce66" inactive-color="#ccc"
                               @change="changeEnable(scope.row)"></el-switch>
                </template>
            </el-table-column>
            <el-table-column label="操作"  width="180" align="center">
                <template slot-scope="scope">
                    <el-button type="primary" @click="handleEdit(scope.row)" icon="el-icon-edit" circle></el-button>

                    <!--删除-->
                    <el-button @click="del(scope.row.id)"
                               slot="reference" type="danger" icon="el-icon-delete" circle
                               style="margin-left: 10px"></el-button>
                </template>
            </el-table-column>
        </el-table>
        <div style="padding: 10px 0">
            <el-pagination
                    @size-change="handleSizeChange"
                    @current-change="handleCurrentChange"
                    :current-page="pageNum"
                    :page-sizes="[2, 5, 10, 20]"
                    :page-size="pageSize"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="total">
            </el-pagination>
        </div>

        <el-dialog title="信息" :visible.sync="dialogFormVisible" width="60%" :close-on-click-modal="false">
            <el-form label-width="100px" size="small" style="width: 90%" :model="form"  :rules="rules" ref="form">
                <el-form-item label="标题" prop="name">
                    <el-input v-model="form.name" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="序号">
                    <el-input v-model="form.sort" autocomplete="off"  width="100px" ></el-input>
                </el-form-item>
                <el-form-item label="封面链接">
                    <el-input v-model="form.img" autocomplete="off"  width="100px" ></el-input>
                </el-form-item>
                <el-form-item label="封面">
                    <el-upload

                            class="avatar-uploader"
                            :action="'http://' + serverIp +':9090/file/upload'"
                            ref="img"
                            :show-file-list="false"
                            :on-success="handleImgUploadSuccess">
                        <img v-if="form.img" :src="form.img"  style="width: 100%"class="avatar">
                        <i v-else class="el-icon-plus avatar-uploader-icon"></i>
                    </el-upload>
                </el-form-item>
                <el-form-item label="内容" prop="content">
                    <div id="richText"></div>
                </el-form-item>

            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="save">确 定</el-button>
            </div>
        </el-dialog>

        <el-dialog title="内容" :visible.sync="dialogFormVisible1" width="60%" :close-on-click-modal="false">
            <el-card>
                <div v-html="content"></div>
            </el-card>
        </el-dialog>
    </div>
</template>

<script>
    import E from "wangeditor"
    import {serverIp} from "../../public/config";
    let editor;
    export default {

        name: "Notice",
        data() {
            return {
                rules: {
                    name: [
                        {required: true, message: '请输入标题', trigger: 'blur'},
                        {min: 2, max: 40, message: '长度在 2 到 40 个字符', trigger: 'blur'}
                    ],
                    content: [
                        {required: true, message: '请输入公告内容', trigger: 'blur'},

                    ],

                },
                serverIp:serverIp,
                tableData: [],
                total: 0,
                pageNum: 1,
                pageSize: 10,
                name: "",
                form: {},
                dialogFormVisible: false,
                dialogFormVisible1: false,
                content: '',
                multipleSelection: [],
                user: localStorage.getItem("user") ? JSON.parse(localStorage.getItem("user")) : {}
            }
        },
        created() {
            this.load()
        },
        methods: {
            changeEnable(row) {
                this.request.put("/notice/updateNotice", row).then(res => {
                    if (res.code === '200') {
                        this.$message.success("操作成功")
                        this.dialogFormVisible = false
                        this.load()
                    } else {
                        this.$message.error("操作失败")
                    }
                })
            },
            view(content) {
                this.content = content
                this.dialogFormVisible1 = true

            },
            load() {
                this.request.get("/notice/page", {
                    params: {
                        pageNum: this.pageNum,
                        pageSize: this.pageSize,
                        name: this.name,
                        type: 2
                    }
                }).then(res => {
                    this.tableData = res.data.records
                    this.total = res.data.total
                })
            },
            save() {
                const content = editor.txt.html()

                // 注意：这个地方需要手动赋值
                this.form.content = content

                this.$refs['form'].validate((valid) => {
                    if (valid) {  // 表单校验合法

                        this.form.type = 2
                        this.request.post("/notice", this.form).then(res => {
                            if (res.code === '200') {
                                this.$message.success("保存成功")
                                this.dialogFormVisible = false
                                this.load()
                            } else {
                                this.$message.error("保存失败")
                            }
                        })
                    }})


            },
            handleAdd() {
                this.dialogFormVisible = true
                this.form = {img: ''}
                this.$nextTick(() => {
                    if(!editor) {
                        editor = new E("#richText")
                        editor.config.uploadImgServer ='http://' +this.serverIp +':9090/file/editor/load'
                        editor.config.uploadFileName = 'file'
                        editor.create()
                    }
                    editor.txt.html('')  // 清除内容

                    if(this.$refs.img) {
                        this.$refs.img.clearFiles();
                    }
                    if(this.$refs.file) {
                        this.$refs.file.clearFiles();
                    }
                })
            },
// {
//   "errno": 0,
//     "data": [
            //   {
            //     url: "图片地址"
            //   }
//   ]
// }
            handleEdit(row) {
                this.form = JSON.parse(JSON.stringify(row))
                this.dialogFormVisible = true
                this.$nextTick(() => {
                    if(!editor) {
                        editor = new E("#richText")
                        // 'http://' +this.serverIp +':9090/file/editor/load'
                        editor.config.uploadImgServer ='http://' +this.serverIp +':9090/file/editor/load'
                        editor.config.uploadFileName = 'file'
                        editor.create()
                    }
                    editor.txt.html(this.form.content)
                    if(this.$refs.img) {
                        this.$refs.img.clearFiles();
                    }
                    if(this.$refs.file) {
                        this.$refs.file.clearFiles();
                    }
                })
            },
            del(id) {
                this.$confirm('确定删除此公告, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).then(() => {
                    this.request.delete("/notice/" + id).then(res => {
                        if (res.code === '200') {
                            this.$message.success("删除成功")
                            this.load()
                        } else {
                            this.$message.error("删除失败")
                        }
                    })

                }).catch(() => {
                    this.$message({
                        type: 'success',
                        message: '已取消删除'
                    });
                });
            },

            handleSelectionChange(val) {
                console.log(val)
                this.multipleSelection = val
            },
            delBatch() {
                if (!this.multipleSelection.length) {
                    this.$message.error("请选择需要删除的数据")
                    return
                }
                let ids = this.multipleSelection.map(v => v.id)  // [{}, {}, {}] => [1,2,3]
                this.request.post("/notice/del/batch", ids).then(res => {
                    if (res.code === '200') {
                        this.$message.success("批量删除成功")
                        this.load()
                    } else {
                        this.$message.error("批量删除失败")
                    }
                })
            },
            reset() {
                this.name = ""
                this.load()
            },
            handleSizeChange(pageSize) {
                console.log(pageSize)
                this.pageSize = pageSize
                this.load()
            },
            handleCurrentChange(pageNum) {
                console.log(pageNum)
                this.pageNum = pageNum
                this.load()
            },
            handleFileUploadSuccess(res) {
                this.form.file = res
            },
            handleImgUploadSuccess(res) {
                this.form.img = res
            },
            download(url) {
                window.open(url)
            },
            exp() {
                window.open("'http://' + serverIp +':9090/file/upload'")
            },
            handleExcelImportSuccess() {
                this.$message.success("导入成功")
                this.load()
            }
        }
    }
</script>


<style>
    .headerBg {
        background: #eee!important;
    }

    .avatar-uploader .el-upload {
        border: 1px dashed #d9d9d9;
        border-radius: 6px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
    }
    .avatar-uploader .el-upload:hover {
        border-color: #409EFF;
    }
    .avatar-uploader-icon {
        font-size: 28px;
        color: #8c939d;
        width: 178px;
        height: 178px;
        line-height: 178px;
        text-align: center;
    }
    .avatar {
        width: 178px;
        height: 178px;
        display: block;
    }
</style>

